发明名称 CYANIDE FREE ELECTROLYTE COMPOSITION FOR THE GALVANIC DEPOSITION OF A COPPER LAYER
摘要 A cyanide-free electrolyte composition for the galvanic deposition of a copper layer on substrate surfaces and a method for the deposition of such layers. The electrolyte composition comprises at least copper(II) ions, a hydantoin and/or hydantoin derivative, a di- and/or tricarboxylic acid or salts thereof, and a metalate of an element of the group consisting of molybdenum, tungsten and vanadium and/or a cerium compound.
申请公布号 US2011180415(A1) 申请公布日期 2011.07.28
申请号 US200913054048 申请日期 2009.07.15
申请人 ENTHONE INC. 发明人 SCHAEFER STEFAN
分类号 C25D3/38 主分类号 C25D3/38
代理机构 代理人
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